I believe it would be
1. A -gerunds are verbs that function as nouns.
2. A- Texting is a descriptor, not a verb or noun.
3. B - "to skydive" is not describing anything. rather, its mentioning an activity (noun- a thing).
Answer:
He vigorously promoted the conservation movement, emphasizing efficient use of natural resources. He dramatically expanded the system of national parks and national forests. After 1906, he moved to the left, attacking big business, proposing a welfare state, and supporting labor unions
Explanation:
The correct answer is:
__________________________________________________________
[B]: "The speaker's mental state shifts more and more towards madness."
__________________________________________________________